.section {
    background-color: #F9F9F9;
}
.slider-bar .layui-nav-tree {
    padding: 20px 0;
    background-color: #F9F9F9;
    /*box-shadow: 4px 0px 5px rgba(241,241,241,1);*/
    width: 100%;
}
.slider-bar .layui-nav-tree .layui-nav-item a {
    font: 14px/24px "microsoft yahei";
    line-height: 28px;
    color: #666;
    background-color: #F9F9F9;
    padding: 6px 0 5px 0px;
    display: block;
    height: 28px;
    text-align: center;
}
.slider-bar .layui-nav-tree .layui-nav-item a.active{
    font-size: 16px;
    color: #e02222;
    background-color: #FFF;
    margin: 0 0 10px 0;
    border-style: solid;
    border-color: #CCC transparent #CCC #e02222;
    border-width: 1px 0 1px 4px;
    box-shadow: 0 4px 0 rgba(0,0,0,0.03);
}
.slider-bar .layui-nav-tree .layui-nav-bar {
    height: 41px!important;
    background-color: #e02222;
}
.slider-bar .layui-nav .layui-this:after, .layui-nav-bar, .layui-nav-tree .layui-nav-itemed:after {
    top: 20px;
}